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Volume 272, Number 28,
Issue of July 11, 1997
pp. 17744-17748
©1997 by The American Society for Biochemistry and Molecular Biology, Inc.
Dynamic Targeting of the Agonist-stimulated m2 Muscarinic
Acetylcholine Receptor to Caveolae in Cardiac Myocytes
(Received for publication, April 3, 1997, and in revised form, May 1, 1997)
Olivier
Feron
,
Thomas W.
Smith
,
Thomas
Michel
and
Ralph A.
Kelly
From the Cardiovascular Division, Department of Medicine, Brigham
and Women's Hospital and Harvard Medical School, Boston, Massachusetts
02115
In cardiac myocytes, as well as
specialized conduction and pacemaker cells, agonist binding to
muscarinic acetylcholine receptors (mAchRs) results in the
activation of several signal transduction cascades including the
endothelial isoform of nitric-oxide synthase (eNOS) expressed in these
cells. Recent evidence indicates that, as in endothelial cells, eNOS in
cardiac myocytes is localized to plasmalemma caveolae, specialized
lipid microdomains that contain caveolin-3, a muscle-specific isoform
of the scaffolding protein caveolin. In this report, using a
detergent-free method for isolation of sarcolemmal caveolae from
primary cultures of adult rat ventricular myocytes, we demonstrated
that the muscarinic cholinergic agonist carbachol promotes the
translocation of mAchR into low density gradient fractions containing
most myocyte caveolin-3 and eNOS. Following isopycnic centrifugation,
the different gradient fractions were exposed to the muscarinic
radioligand [3H]quinuclidinyl benzilate (QNB), and
binding was determined after membrane filtration or
immunoprecipitation. In a direct radioligand binding assay, we found
that [3H]QNB binding can be detected in caveolin-enriched
fractions only when cardiac myocytes have been previously exposed to
carbachol. Furthermore, most of this [3H]QNB binding can
be specifically immunoprecipitated by an antibody to the m2 mAchR,
indicating that the translocation of this receptor subtype is
responsible for the [3H]QNB binding detected in the low
density fractions. Moreover, the [3H]QNB binding could be
quantitatively immunoprecipitated from the light membrane fractions
with a caveolin-3 antibody (but not a control IgG1 antibody),
confirming that the m2 mAchR is targeted to caveolae after carbachol
treatment. Importantly, atropine, a muscarinic cholinergic antagonist,
did not induce translocation of m2 mAchR to caveolae and prevented
receptor translocation in response to the agonist carbachol.
Thus, dynamic targeting of sarcolemmal m2 mAchR to caveolae
following agonist binding may be essential to initiate specific
downstream signaling cascades in these cells.

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J. M. Hare, R. A. Lofthouse, G. J. Juang, L. Colman, K. M. Ricker, B. Kim, H. Senzaki, S. Cao, R. S. Tunin, and D. A. Kass
Contribution of Caveolin Protein Abundance to Augmented Nitric Oxide Signaling in Conscious Dogs With Pacing-Induced Heart Failure
Circ. Res.,
May 26, 2000;
86(10):
1085 - 1092.
[Abstract]
[Full Text]
[PDF]
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R. S. Ostrom, J. D. Violin, S. Coleman, and P. A. Insel
Selective Enhancement of beta -Adrenergic Receptor Signaling by Overexpression of Adenylyl Cyclase Type 6: Colocalization of Receptor and Adenylyl Cyclase in Caveolae of Cardiac Myocytes
Mol. Pharmacol.,
May 1, 2000;
57(5):
1075 - 1079.
[Abstract]
[Full Text]
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T. P. Lockwich, X. Liu, B. B. Singh, J. Jadlowiec, S. Weiland, and I. S. Ambudkar
Assembly of Trp1 in a Signaling Complex Associated with Caveolin-Scaffolding Lipid Raft Domains
J. Biol. Chem.,
April 14, 2000;
275(16):
11934 - 11942.
[Abstract]
[Full Text]
[PDF]
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L.-W. Dong, C. Tang, and M.-S. Liu
Biphasic redistribution of muscarinic receptor and the altered receptor phosphorylation and gene transcription are underlying mechanisms in the rat heart during sepsis
Cardiovasc Res,
March 1, 2000;
45(4):
925 - 933.
[Abstract]
[Full Text]
[PDF]
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Y. Okamoto, H. Ninomiya, S. Miwa, and T. Masaki
Cholesterol Oxidation Switches the Internalization Pathway of Endothelin Receptor Type A from Caveolae to Clathrin-coated Pits in Chinese Hamster Ovary Cells
J. Biol. Chem.,
February 25, 2000;
275(9):
6439 - 6446.
[Abstract]
[Full Text]
[PDF]
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R. D. Lasley, P. Narayan, A. Uittenbogaard, and E. J. Smart
Activated Cardiac Adenosine A1 Receptors Translocate Out of Caveolae
J. Biol. Chem.,
February 11, 2000;
275(6):
4417 - 4421.
[Abstract]
[Full Text]
[PDF]
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J.-Y. Vollmer, P. Alix, A. Chollet, K. Takeda, and J.-L. Galzi
Subcellular Compartmentalization of Activation and Desensitization of Responses Mediated by NK2 Neurokinin Receptors
J. Biol. Chem.,
December 31, 1999;
274(53):
37915 - 37922.
[Abstract]
[Full Text]
[PDF]
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A. Blair, P. W. Shaul, I. S. Yuhanna, P. A. Conrad, and E. J. Smart
Oxidized Low Density Lipoprotein Displaces Endothelial Nitric-oxide Synthase (eNOS) from Plasmalemmal Caveolae and Impairs eNOS Activation
J. Biol. Chem.,
November 5, 1999;
274(45):
32512 - 32519.
[Abstract]
[Full Text]
[PDF]
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B. Razani, C. S. Rubin, and M. P. Lisanti
Regulation of cAMP-mediated Signal Transduction via Interaction of Caveolins with the Catalytic Subunit of Protein Kinase A
J. Biol. Chem.,
September 10, 1999;
274(37):
26353 - 26360.
[Abstract]
[Full Text]
[PDF]
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C. Schwencke, M. Yamamoto, S. Okumura, Y. Toya, S.-J. Kim, and Y. Ishikawa
Compartmentation of Cyclic Adenosine 3',5'-Monophosphate Signaling in Caveolae
Mol. Endocrinol.,
July 1, 1999;
13(7):
1061 - 1070.
[Abstract]
[Full Text]
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Y.-Y. Zhao, O. Feron, C. Dessy, X. Han, M. A. Marchionni, and R. A. Kelly
Neuregulin Signaling in the Heart : Dynamic Targeting of erbB4 to Caveolar Microdomains in Cardiac Myocytes
Circ. Res.,
June 25, 1999;
84(12):
1380 - 1387.
[Abstract]
[Full Text]
[PDF]
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R. S. Ostrom and P. A. Insel
Caveolar Microdomains of the Sarcolemma : Compartmentation of Signaling Molecules Comes of Age
Circ. Res.,
May 14, 1999;
84(9):
1110 - 1112.
[Full Text]
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K. E. Loke, P. I. McConnell, J. M. Tuzman, E. G. Shesely, C. J. Smith, C. J. Stackpole, C. I. Thompson, G. Kaley, M. S. Wolin, and T. H. Hintze
Endogenous Endothelial Nitric Oxide Synthase–Derived Nitric Oxide Is a Physiological Regulator of Myocardial Oxygen Consumption
Circ. Res.,
April 16, 1999;
84(7):
840 - 845.
[Abstract]
[Full Text]
[PDF]
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C. V. Carman, M. P. Lisanti, and J. L. Benovic
Regulation of G Protein-coupled Receptor Kinases by Caveolin
J. Biol. Chem.,
March 26, 1999;
274(13):
8858 - 8864.
[Abstract]
[Full Text]
[PDF]
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R. M. Goetz, H. S. Thatte, P. Prabhakar, M. R. Cho, T. Michel, and D. E. Golan
Estradiol induces the calcium-dependent translocation of endothelial nitric oxide synthase
PNAS,
March 16, 1999;
96(6):
2788 - 2793.
[Abstract]
[Full Text]
[PDF]
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F. Galbiati, D. Volonte, D. Meani, G. Milligan, D. M. Lublin, M. P. Lisanti, and M. Parenti
The Dually Acylated NH2-terminal Domain of Gi1alpha Is Sufficient to Target a Green Fluorescent Protein Reporter to Caveolin-enriched Plasma Membrane Domains. PALMITOYLATION OF CAVEOLIN-1 IS REQUIRED FOR THE RECOGNITION OF DUALLY ACYLATED G-PROTEIN alpha SUBUNITS IN VIVO
J. Biol. Chem.,
February 26, 1999;
274(9):
5843 - 5850.
[Abstract]
[Full Text]
[PDF]
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E. A. Ratovitski, M. R. Alam, R. A. Quick, A. McMillan, C. Bao, C. Kozlovsky, T. A. Hand, R. C. Johnson, R. E. Mains, B. A. Eipper, et al.
Kalirin Inhibition of Inducible Nitric-oxide Synthase
J. Biol. Chem.,
January 8, 1999;
274(2):
993 - 999.
[Abstract]
[Full Text]
[PDF]
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M. J. Orsini and J. L. Benovic
Characterization of Dominant Negative Arrestins That Inhibit beta 2-Adrenergic Receptor Internalization by Distinct Mechanisms
J. Biol. Chem.,
December 18, 1998;
273(51):
34616 - 34622.
[Abstract]
[Full Text]
[PDF]
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O. Feron, C. Dessy, D. J. Opel, M. A. Arstall, R. A. Kelly, and T. Michel
Modulation of the Endothelial Nitric-oxide Synthase-Caveolin Interaction in Cardiac Myocytes. IMPLICATIONS FOR THE AUTONOMIC REGULATION OF HEART RATE
J. Biol. Chem.,
November 13, 1998;
273(46):
30249 - 30254.
[Abstract]
[Full Text]
[PDF]
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P. W. Shaul and R. G. W. Anderson
Role of plasmalemmal caveolae in signal transduction
Am J Physiol Lung Cell Mol Physiol,
November 1, 1998;
275(5):
L843 - L851.
[Abstract]
[Full Text]
[PDF]
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M. Yamamoto, Y. Toya, C. Schwencke, M. P. Lisanti, M. G. Myers Jr., and Y. Ishikawa
Caveolin Is an Activator of Insulin Receptor Signaling
J. Biol. Chem.,
October 9, 1998;
273(41):
26962 - 26968.
[Abstract]
[Full Text]
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M. J. Polyak, S. H. Tailor, and J. P. Deans
Identification of a Cytoplasmic Region of CD20 Required for Its Redistribution to a Detergent-Insoluble Membrane Compartment
J. Immunol.,
October 1, 1998;
161(7):
3242 - 3248.
[Abstract]
[Full Text]
[PDF]
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N. Ishizaka, K. K. Griendling, B. Lassegue, and R. W. Alexander
Angiotensin II Type 1 Receptor : Relationship With Caveolae and Caveolin After Initial Agonist Stimulation
Hypertension,
September 1, 1998;
32(3):
459 - 466.
[Abstract]
[Full Text]
[PDF]
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T. Drmota, J. Novotny, G.-D. Kim, K. A. Eidne, G. Milligan, and P. Svoboda
Agonist-induced Internalization of the G Protein G11alpha and Thyrotropin-releasing Hormone Receptors Proceed on Different Time Scales
J. Biol. Chem.,
August 21, 1998;
273(34):
21699 - 21707.
[Abstract]
[Full Text]
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O. Kifor, R. Diaz, R. Butters, I. Kifor, and E. M. Brown
The Calcium-sensing Receptor Is Localized in Caveolin-rich Plasma Membrane Domains of Bovine Parathyroid Cells
J. Biol. Chem.,
August 21, 1998;
273(34):
21708 - 21713.
[Abstract]
[Full Text]
[PDF]
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O. Vogler, G. S. Bogatkewitsch, C. Wriske, P. Krummenerl, K. H. Jakobs, and C. J. van Koppen
Receptor Subtype-specific Regulation of Muscarinic Acetylcholine Receptor Sequestration by Dynamin. DISTINCT SEQUESTRATION OF m2 RECEPTORS
J. Biol. Chem.,
May 15, 1998;
273(20):
12155 - 12160.
[Abstract]
[Full Text]
[PDF]
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T. Ikezu, B. D. Trapp, K. S. Song, A. Schlegel, M. P. Lisanti, and T. Okamoto
Caveolae, Plasma Membrane Microdomains for alpha -Secretase-mediated Processing of the Amyloid Precursor Protein
J. Biol. Chem.,
April 24, 1998;
273(17):
10485 - 10495.
[Abstract]
[Full Text]
[PDF]
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T. Okamoto, A. Schlegel, P. E. Scherer, and M. P. Lisanti
Caveolins, a Family of Scaffolding Proteins for Organizing "Preassembled Signaling Complexes" at the Plasma Membrane
J. Biol. Chem.,
March 6, 1998;
273(10):
5419 - 5422.
[Full Text]
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H. Tsuga, K. Kameyama, T. Haga, T. Honma, J. Lameh, and W. Sadee
Internalization and Down-regulation of Human Muscarinic Acetylcholine Receptor m2 Subtypes. ROLE OF THIRD INTRACELLULAR m2 LOOP AND G PROTEIN-COUPLED RECEPTOR KINASE 2
J. Biol. Chem.,
February 27, 1998;
273(9):
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[Abstract]
[Full Text]
[PDF]
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O. Feron, F. Saldana, J. B. Michel, and T. Michel
The Endothelial Nitric-oxide Synthase-Caveolin Regulatory Cycle
J. Biol. Chem.,
February 6, 1998;
273(6):
3125 - 3128.
[Abstract]
[Full Text]
[PDF]
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C. Huang, J. R. Hepler, L. T. Chen, A. G. Gilman, R. G.W. Anderson, and S. M. Mumby
Organization of G Proteins and Adenylyl Cyclase at the Plasma Membrane
Mol. Biol. Cell,
December 1, 1997;
8(12):
2365 - 2378.
[Abstract]
[Full Text]
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R. Pals-Rylaarsdam, V. V. Gurevich, K. B. Lee, J. A. Ptasienski, J. L. Benovic, and M. M. Hosey
Internalization of the m2 Muscarinic Acetylcholine Receptor. ARRESTIN-INDEPENDENT AND -DEPENDENT PATHWAYS
J. Biol. Chem.,
September 19, 1997;
272(38):
23682 - 23689.
[Abstract]
[Full Text]
[PDF]
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K. A. Fagan, K. E. Smith, and D. M. F. Cooper
Regulation of the Ca2+-inhibitable Adenylyl Cyclase Type VI by Capacitative Ca2+ Entry Requires Localization in Cholesterol-rich Domains
J. Biol. Chem.,
August 18, 2000;
275(34):
26530 - 26537.
[Abstract]
[Full Text]
[PDF]
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K. S. Murthy and G. M. Makhlouf
Heterologous Desensitization Mediated by G Protein-specific Binding to Caveolin
J. Biol. Chem.,
September 22, 2000;
275(39):
30211 - 30219.
[Abstract]
[Full Text]
[PDF]
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M. L. Schlador, R. D. Grubbs, and N. M. Nathanson
Multiple Topological Domains Mediate Subtype-specific Internalization of the M2 Muscarinic Acetylcholine Receptor
J. Biol. Chem.,
July 21, 2000;
275(30):
23295 - 23302.
[Abstract]
[Full Text]
[PDF]
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J. Igarashi and T. Michel
Agonist-modulated Targeting of the EDG-1 Receptor to Plasmalemmal Caveolae. eNOS ACTIVATION BY SPHINGOSINE 1-PHOSPHATE AND THE ROLE OF CAVEOLIN-1 IN SPHINGOLIPID SIGNAL TRANSDUCTION
J. Biol. Chem.,
October 6, 2000;
275(41):
32363 - 32370.
[Abstract]
[Full Text]
[PDF]
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V. O. Rybin, X. Xu, M. P. Lisanti, and S. F. Steinberg
Differential Targeting of beta -Adrenergic Receptor Subtypes and Adenylyl Cyclase to Cardiomyocyte Caveolae. A MECHANISM TO FUNCTIONALLY REGULATE THE cAMP SIGNALING PATHWAY
J. Biol. Chem.,
December 22, 2000;
275(52):
41447 - 41457.
[Abstract]
[Full Text]
[PDF]
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B. Razani, X. L. Zhang, M. Bitzer, G. von Gersdorff, E. P. Bottinger, and M. P. Lisanti
Caveolin-1 Regulates Transforming Growth Factor (TGF)-beta /SMAD Signaling through an Interaction with the TGF-beta Type I Receptor
J. Biol. Chem.,
February 23, 2001;
276(9):
6727 - 6738.
[Abstract]
[Full Text]
[PDF]
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Z. Shui, I. A. Khan, T. Haga, J. L. Benovic, and M. R. Boyett
Control of the Cardiac Muscarinic K+ Channel by beta -Arrestin 2
J. Biol. Chem.,
April 6, 2001;
276(15):
11691 - 11697.
[Abstract]
[Full Text]
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J. C. Zwaagstra, M. El-Alfy, and M. D. O'Connor-McCourt
Transforming Growth Factor (TGF)-beta 1 Internalization. MODULATION BY LIGAND INTERACTION WITH TGF-beta RECEPTORS TYPES I AND II AND A MECHANISM THAT IS DISTINCT FROM CLATHRIN-MEDIATED ENDOCYTOSIS
J. Biol. Chem.,
July 13, 2001;
276(29):
27237 - 27245.
[Abstract]
[Full Text]
[PDF]
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B. Martinac and O. P. Hamill
Gramicidin A channels switch between stretch activation and stretch inactivation depending on bilayer thickness
PNAS,
April 2, 2002;
99(7):
4308 - 4312.
[Abstract]
[Full Text]
[PDF]
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Copyright © 1997 by the American Society for Biochemistry and Molecular Biology.
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